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Junior Java Developer Interview Questions

"Junior developers are often responsible for writing the more monotonous and simple code required by senior members of the development team. Because of this, interviews will be designed to test your knowledge of the fundamentals of Java so be prepared to answer technical questions that you likely came across in college. Data structures and algorithms will be heavily emphasised. A bachelor's degree or equivalent work experience is required. "

3,803 junior java developer interview questions shared by candidates

Core Java (OOP, Polymorphism, Multithreading) MySQL (Basic SQL queries, Joins) REST API, Spring Boot Programming (Palindrome string, Remove duplicates in an array, Demonstrate polymorphism) HashMap & Collections (Probably questions on internal workings, time complexity, etc.)
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Junior Java Developer

Interviewed at Moolya Software Testing

3.7★
Mar 26, 2025

Core Java (OOP, Polymorphism, Multithreading) MySQL (Basic SQL queries, Joins) REST API, Spring Boot Programming (Palindrome string, Remove duplicates in an array, Demonstrate polymorphism) HashMap & Collections (Probably questions on internal workings, time complexity, etc.)

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